Just remember that it only works for permanents you control (it doesn't work for your opponents' stuff), and that it only works with time counters (other types of counters are unaffected)
Want to destroy enchantments (Aven Cloudchaser), draw cards (Benalish Heralds), exile creatures (Catapult Master), prevent damage (Combat Medic), gain life (Conclave Phalanx), prevent all combat damage (Dream Fighter, Frontline Strategist), deal damage (Goblin Legionnaire, Rockcaster Platoon), bounce a creature (Sun Ce, Young Conqueror), or destroy a land (Keldon Arsonist)
It targets an opponents creature with a bounty counter each turn, rewarding you and that players opponents when that creature dies
How Do You Value Pokemon Cards
Rift Elemental has an activated ability for that removes a time counter from a permanent or suspended card you own